SEIJY 500ML Stainless Steel Insulated Tumbler - 16oz Double-Walled Vacuum Travel Mug for Hot & Cold Drinks - BPA-Free 18/8 Metal Cup for Coffee, Tea, Water - Perfect for Camping, Hiking, Office & Outdoor Activities

Made of 18/8 STAINLESS - for long lasting durabilityThis is the same grade of stainless steel that is used in high end kitchenwareSame Stainless Steel used in higher priced Stainless Steel cups for a more reasonable pricePREMIUM ELECTROPOLISHED FINISH, NEVER COMPROMISE ON QUALITY- which is why these cups are Electropolished inside and out to ensure you are getting high quality cups that will last a lifetime18/8 or 304 stainless steel has the best corrosion and durabilitySpecification:Material: stainless steelProduct weight: Approx.100gProduct size: Approx.13.5*8.5*13.5cm/5.31"*3.35"*5.31"1 X CupReusable Glass Water Drinking Bottles